AccessAwareRouter::matchRequest

public AccessAwareRouter::matchRequest(Request $request)

public function matchRequest(Request $request) {
  $parameters = $this->chainRouter->matchRequest($request);
  $request->attributes->add($parameters);
  $this->checkAccess($request);
  // We can not return $parameters because the access check can change the
  // request attributes.
  return $request->attributes->all();
}